13865086 has 4 divisors (see below), whose sum is σ = 20797632. Its totient is φ = 6932542.

The previous prime is 13865077. The next prime is 13865087. The reversal of 13865086 is 68056831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13865087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3466270 + ... + 3466273.

It is an arithmetic number, because the mean of its divisors is an integer number (5199408).

Almost surely, 2^13865086 is an apocalyptic number.

13865086 is a deficient number, since it is larger than the sum of its proper divisors (6932546).

13865086 is an equidigital number, since it uses as much as digits as its factorization.

13865086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932545.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 13865086 is about 3723.5851004106. The cubic root of 13865086 is about 240.2375310387.

The spelling of 13865086 in words is "thirteen million, eight hundred sixty-five thousand, eighty-six".